/**
 * <copyright>
 * 
 * Copyright (c) 2010 SAP AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Reiner Hille-Doering (SAP AG) - initial API and implementation and/or initial documentation
 * 
 * </copyright>
 */
package org.eclipse.bpmn2.impl;

import org.eclipse.bpmn2.Bpmn2Package;
import org.eclipse.bpmn2.Expression;
import org.eclipse.bpmn2.FlowNode;
import org.eclipse.bpmn2.SequenceFlow;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

import com.founder.fix.fixflow.core.runtime.ExecutionContext;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Sequence Flow</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.bpmn2.impl.SequenceFlowImpl#getConditionExpression <em>Condition Expression</em>}</li>
 *   <li>{@link org.eclipse.bpmn2.impl.SequenceFlowImpl#isIsImmediate <em>Is Immediate</em>}</li>
 *   <li>{@link org.eclipse.bpmn2.impl.SequenceFlowImpl#getSourceRef <em>Source Ref</em>}</li>
 *   <li>{@link org.eclipse.bpmn2.impl.SequenceFlowImpl#getTargetRef <em>Target Ref</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class SequenceFlowImpl extends FlowElementImpl implements SequenceFlow {
    /**
     * The cached value of the '{@link #getConditionExpression() <em>Condition Expression</em>}' containment reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getConditionExpression()
     * @generated
     * @ordered
     */
    protected Expression conditionExpression;

    /**
     * The default value of the '{@link #isIsImmediate() <em>Is Immediate</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #isIsImmediate()
     * @generated
     * @ordered
     */
    protected static final boolean IS_IMMEDIATE_EDEFAULT = false;

    /**
     * The cached value of the '{@link #isIsImmediate() <em>Is Immediate</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #isIsImmediate()
     * @generated
     * @ordered
     */
    protected boolean isImmediate = IS_IMMEDIATE_EDEFAULT;

    /**
     * The cached value of the '{@link #getSourceRef() <em>Source Ref</em>}' reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getSourceRef()
     * @generated
     * @ordered
     */
    protected FlowNode sourceRef;

    /**
     * The cached value of the '{@link #getTargetRef() <em>Target Ref</em>}' reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getTargetRef()
     * @generated
     * @ordered
     */
    protected FlowNode targetRef;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected SequenceFlowImpl() {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return Bpmn2Package.Literals.SEQUENCE_FLOW;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public Expression getConditionExpression() {
        return conditionExpression;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetConditionExpression(Expression newConditionExpression,
            NotificationChain msgs) {
        Expression oldConditionExpression = conditionExpression;
        conditionExpression = newConditionExpression;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION, oldConditionExpression,
                    newConditionExpression);
            if (msgs == null)
                msgs = notification;
            else
                msgs.add(notification);
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setConditionExpression(Expression newConditionExpression) {
        if (newConditionExpression != conditionExpression) {
            NotificationChain msgs = null;
            if (conditionExpression != null)
                msgs = ((InternalEObject) conditionExpression).eInverseRemove(this,
                        EOPPOSITE_FEATURE_BASE - Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION,
                        null, msgs);
            if (newConditionExpression != null)
                msgs = ((InternalEObject) newConditionExpression).eInverseAdd(this,
                        EOPPOSITE_FEATURE_BASE - Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION,
                        null, msgs);
            msgs = basicSetConditionExpression(newConditionExpression, msgs);
            if (msgs != null)
                msgs.dispatch();
        } else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION, newConditionExpression,
                    newConditionExpression));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public boolean isIsImmediate() {
        return isImmediate;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setIsImmediate(boolean newIsImmediate) {
        boolean oldIsImmediate = isImmediate;
        isImmediate = newIsImmediate;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__IS_IMMEDIATE, oldIsImmediate, isImmediate));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public FlowNode getSourceRef() {
        return sourceRef;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetSourceRef(FlowNode newSourceRef, NotificationChain msgs) {
        FlowNode oldSourceRef = sourceRef;
        sourceRef = newSourceRef;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF, oldSourceRef, newSourceRef);
            if (msgs == null)
                msgs = notification;
            else
                msgs.add(notification);
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setSourceRef(FlowNode newSourceRef) {
        if (newSourceRef != sourceRef) {
            NotificationChain msgs = null;
            if (sourceRef != null)
                msgs = ((InternalEObject) sourceRef).eInverseRemove(this,
                        Bpmn2Package.FLOW_NODE__OUTGOING, FlowNode.class, msgs);
            if (newSourceRef != null)
                msgs = ((InternalEObject) newSourceRef).eInverseAdd(this,
                        Bpmn2Package.FLOW_NODE__OUTGOING, FlowNode.class, msgs);
            msgs = basicSetSourceRef(newSourceRef, msgs);
            if (msgs != null)
                msgs.dispatch();
        } else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF, newSourceRef, newSourceRef));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public FlowNode getTargetRef() {
        return targetRef;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetTargetRef(FlowNode newTargetRef, NotificationChain msgs) {
        FlowNode oldTargetRef = targetRef;
        targetRef = newTargetRef;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__TARGET_REF, oldTargetRef, newTargetRef);
            if (msgs == null)
                msgs = notification;
            else
                msgs.add(notification);
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setTargetRef(FlowNode newTargetRef) {
        if (newTargetRef != targetRef) {
            NotificationChain msgs = null;
            if (targetRef != null)
                msgs = ((InternalEObject) targetRef).eInverseRemove(this,
                        Bpmn2Package.FLOW_NODE__INCOMING, FlowNode.class, msgs);
            if (newTargetRef != null)
                msgs = ((InternalEObject) newTargetRef).eInverseAdd(this,
                        Bpmn2Package.FLOW_NODE__INCOMING, FlowNode.class, msgs);
            msgs = basicSetTargetRef(newTargetRef, msgs);
            if (msgs != null)
                msgs.dispatch();
        } else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.SEQUENCE_FLOW__TARGET_REF, newTargetRef, newTargetRef));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID,
            NotificationChain msgs) {
        switch (featureID) {
        case Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF:
            if (sourceRef != null)
                msgs = ((InternalEObject) sourceRef).eInverseRemove(this,
                        Bpmn2Package.FLOW_NODE__OUTGOING, FlowNode.class, msgs);
            return basicSetSourceRef((FlowNode) otherEnd, msgs);
        case Bpmn2Package.SEQUENCE_FLOW__TARGET_REF:
            if (targetRef != null)
                msgs = ((InternalEObject) targetRef).eInverseRemove(this,
                        Bpmn2Package.FLOW_NODE__INCOMING, FlowNode.class, msgs);
            return basicSetTargetRef((FlowNode) otherEnd, msgs);
        }
        return super.eInverseAdd(otherEnd, featureID, msgs);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID,
            NotificationChain msgs) {
        switch (featureID) {
        case Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION:
            return basicSetConditionExpression(null, msgs);
        case Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF:
            return basicSetSourceRef(null, msgs);
        case Bpmn2Package.SEQUENCE_FLOW__TARGET_REF:
            return basicSetTargetRef(null, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
        case Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION:
            return getConditionExpression();
        case Bpmn2Package.SEQUENCE_FLOW__IS_IMMEDIATE:
            return isIsImmediate();
        case Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF:
            return getSourceRef();
        case Bpmn2Package.SEQUENCE_FLOW__TARGET_REF:
            return getTargetRef();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
        case Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION:
            setConditionExpression((Expression) newValue);
            return;
        case Bpmn2Package.SEQUENCE_FLOW__IS_IMMEDIATE:
            setIsImmediate((Boolean) newValue);
            return;
        case Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF:
            setSourceRef((FlowNode) newValue);
            return;
        case Bpmn2Package.SEQUENCE_FLOW__TARGET_REF:
            setTargetRef((FlowNode) newValue);
            return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
        case Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION:
            setConditionExpression((Expression) null);
            return;
        case Bpmn2Package.SEQUENCE_FLOW__IS_IMMEDIATE:
            setIsImmediate(IS_IMMEDIATE_EDEFAULT);
            return;
        case Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF:
            setSourceRef((FlowNode) null);
            return;
        case Bpmn2Package.SEQUENCE_FLOW__TARGET_REF:
            setTargetRef((FlowNode) null);
            return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
        case Bpmn2Package.SEQUENCE_FLOW__CONDITION_EXPRESSION:
            return conditionExpression != null;
        case Bpmn2Package.SEQUENCE_FLOW__IS_IMMEDIATE:
            return isImmediate != IS_IMMEDIATE_EDEFAULT;
        case Bpmn2Package.SEQUENCE_FLOW__SOURCE_REF:
            return sourceRef != null;
        case Bpmn2Package.SEQUENCE_FLOW__TARGET_REF:
            return targetRef != null;
        }
        return super.eIsSet(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public String toString() {
        if (eIsProxy())
            return super.toString();

        StringBuffer result = new StringBuffer(super.toString());
        result.append(" (isImmediate: ");
        result.append(isImmediate);
        result.append(')');
        return result.toString();
    }

    
    
    
    
    
    
	public boolean isContinue(ExecutionContext executionContext) {
		// TODO Auto-generated method stub
		return false;
	}

	public void take(ExecutionContext executionContext) {
		// TODO Auto-generated method stub
		
	}

} //SequenceFlowImpl
